Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.connectivity; |
| 18 | |
| 19 | import android.app.Notification; |
| 20 | import android.app.NotificationManager; |
| 21 | import android.app.PendingIntent; |
| 22 | import android.content.BroadcastReceiver; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 23 | import android.content.Context; |
| 24 | import android.content.Intent; |
| 25 | import android.content.IntentFilter; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 26 | import android.content.pm.PackageManager; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 27 | import android.content.res.Resources; |
Mike Lockwood | c4308f0 | 2011-03-01 08:04:54 -0800 | [diff] [blame] | 28 | import android.hardware.usb.UsbManager; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 29 | import android.net.ConnectivityManager; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 30 | import android.net.IConnectivityManager; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 31 | import android.net.INetworkManagementEventObserver; |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 32 | import android.net.INetworkStatsService; |
Jeff Sharkey | cdd02c5d | 2011-09-16 01:52:49 -0700 | [diff] [blame] | 33 | import android.net.InterfaceConfiguration; |
Robert Greenwalt | ed12640 | 2011-01-28 15:34:55 -0800 | [diff] [blame] | 34 | import android.net.LinkAddress; |
Robert Greenwalt | 05d8936 | 2011-01-23 16:04:05 -0800 | [diff] [blame] | 35 | import android.net.LinkProperties; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 36 | import android.net.NetworkInfo; |
Robert Greenwalt | e590373 | 2011-02-22 16:00:42 -0800 | [diff] [blame] | 37 | import android.net.NetworkUtils; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 38 | import android.os.Binder; |
Robert Greenwalt | 7eae250 | 2010-04-20 15:51:20 -0700 | [diff] [blame] | 39 | import android.os.HandlerThread; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 40 | import android.os.IBinder; |
| 41 | import android.os.INetworkManagementService; |
Robert Greenwalt | dfadaea | 2010-03-11 15:03:08 -0800 | [diff] [blame] | 42 | import android.os.Looper; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 43 | import android.os.Message; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 44 | import android.os.RemoteException; |
| 45 | import android.os.ServiceManager; |
| 46 | import android.provider.Settings; |
| 47 | import android.util.Log; |
| 48 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 49 | import com.android.internal.telephony.Phone; |
Wink Saville | 64c42ca | 2011-04-18 14:55:10 -0700 | [diff] [blame] | 50 | import com.android.internal.util.IState; |
| 51 | import com.android.internal.util.State; |
| 52 | import com.android.internal.util.StateMachine; |
Jeff Sharkey | cdd02c5d | 2011-09-16 01:52:49 -0700 | [diff] [blame] | 53 | import com.google.android.collect.Lists; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 54 | |
| 55 | import java.io.FileDescriptor; |
| 56 | import java.io.PrintWriter; |
Robert Greenwalt | 04808c2 | 2010-12-13 17:01:41 -0800 | [diff] [blame] | 57 | import java.net.InetAddress; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 58 | import java.util.ArrayList; |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 59 | import java.util.Collection; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 60 | import java.util.HashMap; |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 61 | import java.util.Iterator; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 62 | import java.util.Set; |
Jeff Sharkey | cdd02c5d | 2011-09-16 01:52:49 -0700 | [diff] [blame] | 63 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 64 | /** |
| 65 | * @hide |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 66 | * |
| 67 | * Timeout |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 68 | * |
| 69 | * TODO - look for parent classes and code sharing |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 70 | */ |
| 71 | public class Tethering extends INetworkManagementEventObserver.Stub { |
| 72 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 73 | private Context mContext; |
Robert Greenwalt | 924cc94 | 2010-06-28 10:26:19 -0700 | [diff] [blame] | 74 | private final static String TAG = "Tethering"; |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 75 | private final static boolean DBG = true; |
Robert Greenwalt | fd1be2b | 2011-11-11 12:30:19 -0800 | [diff] [blame] | 76 | private final static boolean VDBG = false; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 77 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 78 | // TODO - remove both of these - should be part of interface inspection/selection stuff |
| 79 | private String[] mTetherableUsbRegexs; |
| 80 | private String[] mTetherableWifiRegexs; |
Danica Chang | 6fdd0c6 | 2010-08-11 14:54:43 -0700 | [diff] [blame] | 81 | private String[] mTetherableBluetoothRegexs; |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 82 | private Collection<Integer> mUpstreamIfaceTypes; |
| 83 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 84 | // used to synchronize public access to members |
| 85 | private Object mPublicSync; |
| 86 | |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 87 | private static final Integer MOBILE_TYPE = new Integer(ConnectivityManager.TYPE_MOBILE); |
| 88 | private static final Integer HIPRI_TYPE = new Integer(ConnectivityManager.TYPE_MOBILE_HIPRI); |
| 89 | private static final Integer DUN_TYPE = new Integer(ConnectivityManager.TYPE_MOBILE_DUN); |
| 90 | |
| 91 | // if we have to connect to mobile, what APN type should we use? Calculated by examining the |
| 92 | // upstream type list and the DUN_REQUIRED secure-setting |
| 93 | private int mPreferredUpstreamMobileApn = ConnectivityManager.TYPE_NONE; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 94 | |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 95 | private final INetworkManagementService mNMService; |
| 96 | private final INetworkStatsService mStatsService; |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 97 | private final IConnectivityManager mConnService; |
Robert Greenwalt | 7eae250 | 2010-04-20 15:51:20 -0700 | [diff] [blame] | 98 | private Looper mLooper; |
| 99 | private HandlerThread mThread; |
Robert Greenwalt | dfadaea | 2010-03-11 15:03:08 -0800 | [diff] [blame] | 100 | |
Robert Greenwalt | 030f5e1 | 2010-03-10 16:41:03 -0800 | [diff] [blame] | 101 | private HashMap<String, TetherInterfaceSM> mIfaces; // all tethered/tetherable ifaces |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 102 | |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 103 | private BroadcastReceiver mStateReceiver; |
| 104 | |
Robert Greenwalt | bfb7bfa | 2010-03-24 16:03:21 -0700 | [diff] [blame] | 105 | private static final String USB_NEAR_IFACE_ADDR = "192.168.42.129"; |
Robert Greenwalt | b979f79 | 2011-02-11 17:01:02 -0800 | [diff] [blame] | 106 | private static final int USB_PREFIX_LENGTH = 24; |
Robert Greenwalt | bfb7bfa | 2010-03-24 16:03:21 -0700 | [diff] [blame] | 107 | |
Jaikumar Ganesh | 707952e | 2010-09-13 19:04:54 -0700 | [diff] [blame] | 108 | // USB is 192.168.42.1 and 255.255.255.0 |
| 109 | // Wifi is 192.168.43.1 and 255.255.255.0 |
| 110 | // BT is limited to max default of 5 connections. 192.168.44.1 to 192.168.48.1 |
| 111 | // with 255.255.255.0 |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 112 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 113 | private String[] mDhcpRange; |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 114 | private static final String[] DHCP_DEFAULT_RANGE = { |
| 115 | "192.168.42.2", "192.168.42.254", "192.168.43.2", "192.168.43.254", |
| 116 | "192.168.44.2", "192.168.44.254", "192.168.45.2", "192.168.45.254", |
| 117 | "192.168.46.2", "192.168.46.254", "192.168.47.2", "192.168.47.254", |
| 118 | "192.168.48.2", "192.168.48.254", |
| 119 | }; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 120 | |
Robert Greenwalt | bb4fd0b | 2011-12-09 15:36:50 -0800 | [diff] [blame] | 121 | private String[] mDefaultDnsServers; |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 122 | private static final String DNS_DEFAULT_SERVER1 = "8.8.8.8"; |
Robert Greenwalt | df255c2 | 2010-10-07 15:32:08 -0700 | [diff] [blame] | 123 | private static final String DNS_DEFAULT_SERVER2 = "8.8.4.4"; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 124 | |
Wink Saville | 64c42ca | 2011-04-18 14:55:10 -0700 | [diff] [blame] | 125 | private StateMachine mTetherMasterSM; |
Robert Greenwalt | a599fe7c | 2010-03-08 18:30:14 -0800 | [diff] [blame] | 126 | |
| 127 | private Notification mTetheredNotification; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 128 | |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 129 | private boolean mRndisEnabled; // track the RNDIS function enabled state |
| 130 | private boolean mUsbTetherRequested; // true if USB tethering should be started |
| 131 | // when RNDIS is enabled |
Robert Greenwalt | 030f5e1 | 2010-03-10 16:41:03 -0800 | [diff] [blame] | 132 | |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 133 | public Tethering(Context context, INetworkManagementService nmService, |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 134 | INetworkStatsService statsService, IConnectivityManager connService, Looper looper) { |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 135 | mContext = context; |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 136 | mNMService = nmService; |
Jeff Sharkey | 367d15a | 2011-09-22 14:59:51 -0700 | [diff] [blame] | 137 | mStatsService = statsService; |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 138 | mConnService = connService; |
Robert Greenwalt | dfadaea | 2010-03-11 15:03:08 -0800 | [diff] [blame] | 139 | mLooper = looper; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 140 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 141 | mPublicSync = new Object(); |
| 142 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 143 | mIfaces = new HashMap<String, TetherInterfaceSM>(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 144 | |
Robert Greenwalt | 7eae250 | 2010-04-20 15:51:20 -0700 | [diff] [blame] | 145 | // make our own thread so we don't anr the system |
| 146 | mThread = new HandlerThread("Tethering"); |
| 147 | mThread.start(); |
| 148 | mLooper = mThread.getLooper(); |
Robert Greenwalt | dfadaea | 2010-03-11 15:03:08 -0800 | [diff] [blame] | 149 | mTetherMasterSM = new TetherMasterSM("TetherMaster", mLooper); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 150 | mTetherMasterSM.start(); |
| 151 | |
Robert Greenwalt | bb51d9f | 2010-03-12 10:23:35 -0800 | [diff] [blame] | 152 | mStateReceiver = new StateReceiver(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 153 | IntentFilter filter = new IntentFilter(); |
Mike Lockwood | 770126a | 2010-12-09 22:30:37 -0800 | [diff] [blame] | 154 | filter.addAction(UsbManager.ACTION_USB_STATE); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 155 | filter.addAction(ConnectivityManager.CONNECTIVITY_ACTION); |
Robert Greenwalt | bb51d9f | 2010-03-12 10:23:35 -0800 | [diff] [blame] | 156 | mContext.registerReceiver(mStateReceiver, filter); |
| 157 | |
| 158 | filter = new IntentFilter(); |
Robert Greenwalt | 030f5e1 | 2010-03-10 16:41:03 -0800 | [diff] [blame] | 159 | filter.addAction(Intent.ACTION_MEDIA_SHARED); |
| 160 | filter.addAction(Intent.ACTION_MEDIA_UNSHARED); |
Robert Greenwalt | bb51d9f | 2010-03-12 10:23:35 -0800 | [diff] [blame] | 161 | filter.addDataScheme("file"); |
| 162 | mContext.registerReceiver(mStateReceiver, filter); |
| 163 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 164 | mDhcpRange = context.getResources().getStringArray( |
| 165 | com.android.internal.R.array.config_tether_dhcp_range); |
Robert Greenwalt | bfb7bfa | 2010-03-24 16:03:21 -0700 | [diff] [blame] | 166 | if ((mDhcpRange.length == 0) || (mDhcpRange.length % 2 ==1)) { |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 167 | mDhcpRange = DHCP_DEFAULT_RANGE; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 168 | } |
| 169 | |
Robert Greenwalt | 49348e7 | 2011-10-21 16:54:26 -0700 | [diff] [blame] | 170 | // load device config info |
| 171 | updateConfiguration(); |
| 172 | |
| 173 | // TODO - remove and rely on real notifications of the current iface |
Robert Greenwalt | bb4fd0b | 2011-12-09 15:36:50 -0800 | [diff] [blame] | 174 | mDefaultDnsServers = new String[2]; |
| 175 | mDefaultDnsServers[0] = DNS_DEFAULT_SERVER1; |
| 176 | mDefaultDnsServers[1] = DNS_DEFAULT_SERVER2; |
Robert Greenwalt | 49348e7 | 2011-10-21 16:54:26 -0700 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | void updateConfiguration() { |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 180 | String[] tetherableUsbRegexs = mContext.getResources().getStringArray( |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 181 | com.android.internal.R.array.config_tether_usb_regexs); |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 182 | String[] tetherableWifiRegexs = mContext.getResources().getStringArray( |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 183 | com.android.internal.R.array.config_tether_wifi_regexs); |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 184 | String[] tetherableBluetoothRegexs = mContext.getResources().getStringArray( |
Danica Chang | 6fdd0c6 | 2010-08-11 14:54:43 -0700 | [diff] [blame] | 185 | com.android.internal.R.array.config_tether_bluetooth_regexs); |
Robert Greenwalt | 49348e7 | 2011-10-21 16:54:26 -0700 | [diff] [blame] | 186 | |
| 187 | int ifaceTypes[] = mContext.getResources().getIntArray( |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 188 | com.android.internal.R.array.config_tether_upstream_types); |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 189 | Collection<Integer> upstreamIfaceTypes = new ArrayList(); |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 190 | for (int i : ifaceTypes) { |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 191 | upstreamIfaceTypes.add(new Integer(i)); |
| 192 | } |
| 193 | |
| 194 | synchronized (mPublicSync) { |
| 195 | mTetherableUsbRegexs = tetherableUsbRegexs; |
| 196 | mTetherableWifiRegexs = tetherableWifiRegexs; |
| 197 | mTetherableBluetoothRegexs = tetherableBluetoothRegexs; |
| 198 | mUpstreamIfaceTypes = upstreamIfaceTypes; |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | // check if the upstream type list needs to be modified due to secure-settings |
| 202 | checkDunRequired(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 203 | } |
| 204 | |
Mike J. Chen | 6143f5f | 2011-06-23 15:17:51 -0700 | [diff] [blame] | 205 | public void interfaceStatusChanged(String iface, boolean up) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 206 | if (VDBG) Log.d(TAG, "interfaceStatusChanged " + iface + ", " + up); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 207 | boolean found = false; |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 208 | boolean usb = false; |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 209 | synchronized (mPublicSync) { |
| 210 | if (isWifi(iface)) { |
| 211 | found = true; |
| 212 | } else if (isUsb(iface)) { |
| 213 | found = true; |
| 214 | usb = true; |
| 215 | } else if (isBluetooth(iface)) { |
| 216 | found = true; |
| 217 | } |
| 218 | if (found == false) return; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 219 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 220 | TetherInterfaceSM sm = mIfaces.get(iface); |
Mike J. Chen | 6143f5f | 2011-06-23 15:17:51 -0700 | [diff] [blame] | 221 | if (up) { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 222 | if (sm == null) { |
Robert Greenwalt | dfadaea | 2010-03-11 15:03:08 -0800 | [diff] [blame] | 223 | sm = new TetherInterfaceSM(iface, mLooper, usb); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 224 | mIfaces.put(iface, sm); |
| 225 | sm.start(); |
| 226 | } |
| 227 | } else { |
Mike Lockwood | 485861c | 2011-07-27 13:52:32 -0400 | [diff] [blame] | 228 | if (isUsb(iface)) { |
| 229 | // ignore usb0 down after enabling RNDIS |
| 230 | // we will handle disconnect in interfaceRemoved instead |
Robert Greenwalt | fd1be2b | 2011-11-11 12:30:19 -0800 | [diff] [blame] | 231 | if (VDBG) Log.d(TAG, "ignore interface down for " + iface); |
Mike Lockwood | 485861c | 2011-07-27 13:52:32 -0400 | [diff] [blame] | 232 | } else if (sm != null) { |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 233 | sm.sendMessage(TetherInterfaceSM.CMD_INTERFACE_DOWN); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 234 | mIfaces.remove(iface); |
| 235 | } |
| 236 | } |
| 237 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 238 | } |
| 239 | |
Mike J. Chen | f59c7d0 | 2011-06-23 15:33:15 -0700 | [diff] [blame] | 240 | public void interfaceLinkStateChanged(String iface, boolean up) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 241 | if (VDBG) Log.d(TAG, "interfaceLinkStateChanged " + iface + ", " + up); |
Irfan Sheriff | 23eb297 | 2011-07-22 15:21:10 -0700 | [diff] [blame] | 242 | interfaceStatusChanged(iface, up); |
Mike J. Chen | f59c7d0 | 2011-06-23 15:33:15 -0700 | [diff] [blame] | 243 | } |
| 244 | |
Robert Greenwalt | a599fe7c | 2010-03-08 18:30:14 -0800 | [diff] [blame] | 245 | private boolean isUsb(String iface) { |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 246 | synchronized (mPublicSync) { |
| 247 | for (String regex : mTetherableUsbRegexs) { |
| 248 | if (iface.matches(regex)) return true; |
| 249 | } |
| 250 | return false; |
Robert Greenwalt | a599fe7c | 2010-03-08 18:30:14 -0800 | [diff] [blame] | 251 | } |
Robert Greenwalt | a599fe7c | 2010-03-08 18:30:14 -0800 | [diff] [blame] | 252 | } |
| 253 | |
| 254 | public boolean isWifi(String iface) { |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 255 | synchronized (mPublicSync) { |
| 256 | for (String regex : mTetherableWifiRegexs) { |
| 257 | if (iface.matches(regex)) return true; |
| 258 | } |
| 259 | return false; |
Robert Greenwalt | a599fe7c | 2010-03-08 18:30:14 -0800 | [diff] [blame] | 260 | } |
Robert Greenwalt | a599fe7c | 2010-03-08 18:30:14 -0800 | [diff] [blame] | 261 | } |
| 262 | |
Danica Chang | 6fdd0c6 | 2010-08-11 14:54:43 -0700 | [diff] [blame] | 263 | public boolean isBluetooth(String iface) { |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 264 | synchronized (mPublicSync) { |
| 265 | for (String regex : mTetherableBluetoothRegexs) { |
| 266 | if (iface.matches(regex)) return true; |
| 267 | } |
| 268 | return false; |
Danica Chang | 6fdd0c6 | 2010-08-11 14:54:43 -0700 | [diff] [blame] | 269 | } |
Danica Chang | 6fdd0c6 | 2010-08-11 14:54:43 -0700 | [diff] [blame] | 270 | } |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 271 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 272 | public void interfaceAdded(String iface) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 273 | if (VDBG) Log.d(TAG, "interfaceAdded " + iface); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 274 | boolean found = false; |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 275 | boolean usb = false; |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 276 | synchronized (mPublicSync) { |
| 277 | if (isWifi(iface)) { |
| 278 | found = true; |
| 279 | } |
| 280 | if (isUsb(iface)) { |
| 281 | found = true; |
| 282 | usb = true; |
| 283 | } |
| 284 | if (isBluetooth(iface)) { |
| 285 | found = true; |
| 286 | } |
| 287 | if (found == false) { |
| 288 | if (VDBG) Log.d(TAG, iface + " is not a tetherable iface, ignoring"); |
| 289 | return; |
| 290 | } |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 291 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 292 | TetherInterfaceSM sm = mIfaces.get(iface); |
| 293 | if (sm != null) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 294 | if (VDBG) Log.d(TAG, "active iface (" + iface + ") reported as added, ignoring"); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 295 | return; |
| 296 | } |
Robert Greenwalt | dfadaea | 2010-03-11 15:03:08 -0800 | [diff] [blame] | 297 | sm = new TetherInterfaceSM(iface, mLooper, usb); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 298 | mIfaces.put(iface, sm); |
| 299 | sm.start(); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 300 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 301 | } |
| 302 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 303 | public void interfaceRemoved(String iface) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 304 | if (VDBG) Log.d(TAG, "interfaceRemoved " + iface); |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 305 | synchronized (mPublicSync) { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 306 | TetherInterfaceSM sm = mIfaces.get(iface); |
| 307 | if (sm == null) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 308 | if (VDBG) { |
Robert Greenwalt | 924cc94 | 2010-06-28 10:26:19 -0700 | [diff] [blame] | 309 | Log.e(TAG, "attempting to remove unknown iface (" + iface + "), ignoring"); |
| 310 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 311 | return; |
| 312 | } |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 313 | sm.sendMessage(TetherInterfaceSM.CMD_INTERFACE_DOWN); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 314 | mIfaces.remove(iface); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 315 | } |
| 316 | } |
| 317 | |
JP Abgrall | 12b933d | 2011-07-14 18:09:22 -0700 | [diff] [blame] | 318 | public void limitReached(String limitName, String iface) {} |
| 319 | |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 320 | public int tether(String iface) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 321 | if (DBG) Log.d(TAG, "Tethering " + iface); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 322 | TetherInterfaceSM sm = null; |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 323 | synchronized (mPublicSync) { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 324 | sm = mIfaces.get(iface); |
| 325 | } |
| 326 | if (sm == null) { |
| 327 | Log.e(TAG, "Tried to Tether an unknown iface :" + iface + ", ignoring"); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 328 | return ConnectivityManager.TETHER_ERROR_UNKNOWN_IFACE; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 329 | } |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 330 | if (!sm.isAvailable() && !sm.isErrored()) { |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 331 | Log.e(TAG, "Tried to Tether an unavailable iface :" + iface + ", ignoring"); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 332 | return ConnectivityManager.TETHER_ERROR_UNAVAIL_IFACE; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 333 | } |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 334 | sm.sendMessage(TetherInterfaceSM.CMD_TETHER_REQUESTED); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 335 | return ConnectivityManager.TETHER_ERROR_NO_ERROR; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 336 | } |
| 337 | |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 338 | public int untether(String iface) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 339 | if (DBG) Log.d(TAG, "Untethering " + iface); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 340 | TetherInterfaceSM sm = null; |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 341 | synchronized (mPublicSync) { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 342 | sm = mIfaces.get(iface); |
| 343 | } |
| 344 | if (sm == null) { |
| 345 | Log.e(TAG, "Tried to Untether an unknown iface :" + iface + ", ignoring"); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 346 | return ConnectivityManager.TETHER_ERROR_UNKNOWN_IFACE; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 347 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 348 | if (sm.isErrored()) { |
| 349 | Log.e(TAG, "Tried to Untethered an errored iface :" + iface + ", ignoring"); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 350 | return ConnectivityManager.TETHER_ERROR_UNAVAIL_IFACE; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 351 | } |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 352 | sm.sendMessage(TetherInterfaceSM.CMD_TETHER_UNREQUESTED); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 353 | return ConnectivityManager.TETHER_ERROR_NO_ERROR; |
| 354 | } |
| 355 | |
| 356 | public int getLastTetherError(String iface) { |
| 357 | TetherInterfaceSM sm = null; |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 358 | synchronized (mPublicSync) { |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 359 | sm = mIfaces.get(iface); |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 360 | if (sm == null) { |
| 361 | Log.e(TAG, "Tried to getLastTetherError on an unknown iface :" + iface + |
| 362 | ", ignoring"); |
| 363 | return ConnectivityManager.TETHER_ERROR_UNKNOWN_IFACE; |
| 364 | } |
| 365 | return sm.getLastError(); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 366 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 367 | } |
| 368 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 369 | // TODO - move all private methods used only by the state machine into the state machine |
| 370 | // to clarify what needs synchronized protection. |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 371 | private void sendTetherStateChangedBroadcast() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 372 | try { |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 373 | if (!mConnService.isTetheringSupported()) return; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 374 | } catch (RemoteException e) { |
| 375 | return; |
| 376 | } |
| 377 | |
| 378 | ArrayList<String> availableList = new ArrayList<String>(); |
| 379 | ArrayList<String> activeList = new ArrayList<String>(); |
| 380 | ArrayList<String> erroredList = new ArrayList<String>(); |
| 381 | |
Robert Greenwalt | a599fe7c | 2010-03-08 18:30:14 -0800 | [diff] [blame] | 382 | boolean wifiTethered = false; |
| 383 | boolean usbTethered = false; |
Danica Chang | 6fdd0c6 | 2010-08-11 14:54:43 -0700 | [diff] [blame] | 384 | boolean bluetoothTethered = false; |
Robert Greenwalt | a599fe7c | 2010-03-08 18:30:14 -0800 | [diff] [blame] | 385 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 386 | synchronized (mPublicSync) { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 387 | Set ifaces = mIfaces.keySet(); |
| 388 | for (Object iface : ifaces) { |
| 389 | TetherInterfaceSM sm = mIfaces.get(iface); |
| 390 | if (sm != null) { |
Danica Chang | 6fdd0c6 | 2010-08-11 14:54:43 -0700 | [diff] [blame] | 391 | if (sm.isErrored()) { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 392 | erroredList.add((String)iface); |
| 393 | } else if (sm.isAvailable()) { |
| 394 | availableList.add((String)iface); |
| 395 | } else if (sm.isTethered()) { |
Robert Greenwalt | a599fe7c | 2010-03-08 18:30:14 -0800 | [diff] [blame] | 396 | if (isUsb((String)iface)) { |
| 397 | usbTethered = true; |
| 398 | } else if (isWifi((String)iface)) { |
| 399 | wifiTethered = true; |
Danica Chang | 6fdd0c6 | 2010-08-11 14:54:43 -0700 | [diff] [blame] | 400 | } else if (isBluetooth((String)iface)) { |
| 401 | bluetoothTethered = true; |
Robert Greenwalt | a599fe7c | 2010-03-08 18:30:14 -0800 | [diff] [blame] | 402 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 403 | activeList.add((String)iface); |
| 404 | } |
| 405 | } |
| 406 | } |
| 407 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 408 | Intent broadcast = new Intent(ConnectivityManager.ACTION_TETHER_STATE_CHANGED); |
Robert Greenwalt | 98c79e5 | 2011-07-28 11:51:11 -0700 | [diff] [blame] | 409 | broadcast.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING | |
| 410 | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 411 | broadcast.putStringArrayListExtra(ConnectivityManager.EXTRA_AVAILABLE_TETHER, |
| 412 | availableList); |
| 413 | broadcast.putStringArrayListExtra(ConnectivityManager.EXTRA_ACTIVE_TETHER, activeList); |
| 414 | broadcast.putStringArrayListExtra(ConnectivityManager.EXTRA_ERRORED_TETHER, |
| 415 | erroredList); |
| 416 | mContext.sendStickyBroadcast(broadcast); |
Robert Greenwalt | fd1be2b | 2011-11-11 12:30:19 -0800 | [diff] [blame] | 417 | if (DBG) { |
Robert Greenwalt | 924cc94 | 2010-06-28 10:26:19 -0700 | [diff] [blame] | 418 | Log.d(TAG, "sendTetherStateChangedBroadcast " + availableList.size() + ", " + |
| 419 | activeList.size() + ", " + erroredList.size()); |
| 420 | } |
Robert Greenwalt | a599fe7c | 2010-03-08 18:30:14 -0800 | [diff] [blame] | 421 | |
| 422 | if (usbTethered) { |
Danica Chang | 6fdd0c6 | 2010-08-11 14:54:43 -0700 | [diff] [blame] | 423 | if (wifiTethered || bluetoothTethered) { |
Robert Greenwalt | a599fe7c | 2010-03-08 18:30:14 -0800 | [diff] [blame] | 424 | showTetheredNotification(com.android.internal.R.drawable.stat_sys_tether_general); |
| 425 | } else { |
| 426 | showTetheredNotification(com.android.internal.R.drawable.stat_sys_tether_usb); |
| 427 | } |
| 428 | } else if (wifiTethered) { |
Danica Chang | 6fdd0c6 | 2010-08-11 14:54:43 -0700 | [diff] [blame] | 429 | if (bluetoothTethered) { |
| 430 | showTetheredNotification(com.android.internal.R.drawable.stat_sys_tether_general); |
| 431 | } else { |
| 432 | showTetheredNotification(com.android.internal.R.drawable.stat_sys_tether_wifi); |
| 433 | } |
| 434 | } else if (bluetoothTethered) { |
| 435 | showTetheredNotification(com.android.internal.R.drawable.stat_sys_tether_bluetooth); |
Robert Greenwalt | a599fe7c | 2010-03-08 18:30:14 -0800 | [diff] [blame] | 436 | } else { |
| 437 | clearTetheredNotification(); |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | private void showTetheredNotification(int icon) { |
| 442 | NotificationManager notificationManager = |
| 443 | (NotificationManager)mContext.getSystemService(Context.NOTIFICATION_SERVICE); |
| 444 | if (notificationManager == null) { |
| 445 | return; |
| 446 | } |
| 447 | |
Robert Greenwalt | db3fe9e | 2010-03-18 16:28:30 -0700 | [diff] [blame] | 448 | if (mTetheredNotification != null) { |
| 449 | if (mTetheredNotification.icon == icon) { |
| 450 | return; |
| 451 | } |
| 452 | notificationManager.cancel(mTetheredNotification.icon); |
| 453 | } |
| 454 | |
Robert Greenwalt | a599fe7c | 2010-03-08 18:30:14 -0800 | [diff] [blame] | 455 | Intent intent = new Intent(); |
| 456 | intent.setClassName("com.android.settings", "com.android.settings.TetherSettings"); |
| 457 | intent.setFlags(Intent.FLAG_ACTIVITY_NO_HISTORY); |
| 458 | |
| 459 | PendingIntent pi = PendingIntent.getActivity(mContext, 0, intent, 0); |
| 460 | |
| 461 | Resources r = Resources.getSystem(); |
| 462 | CharSequence title = r.getText(com.android.internal.R.string.tethered_notification_title); |
| 463 | CharSequence message = r.getText(com.android.internal.R.string. |
| 464 | tethered_notification_message); |
| 465 | |
Danica Chang | 6fdd0c6 | 2010-08-11 14:54:43 -0700 | [diff] [blame] | 466 | if (mTetheredNotification == null) { |
Robert Greenwalt | a599fe7c | 2010-03-08 18:30:14 -0800 | [diff] [blame] | 467 | mTetheredNotification = new Notification(); |
| 468 | mTetheredNotification.when = 0; |
| 469 | } |
| 470 | mTetheredNotification.icon = icon; |
| 471 | mTetheredNotification.defaults &= ~Notification.DEFAULT_SOUND; |
| 472 | mTetheredNotification.flags = Notification.FLAG_ONGOING_EVENT; |
| 473 | mTetheredNotification.tickerText = title; |
| 474 | mTetheredNotification.setLatestEventInfo(mContext, title, message, pi); |
| 475 | |
| 476 | notificationManager.notify(mTetheredNotification.icon, mTetheredNotification); |
| 477 | } |
| 478 | |
| 479 | private void clearTetheredNotification() { |
| 480 | NotificationManager notificationManager = |
| 481 | (NotificationManager)mContext.getSystemService(Context.NOTIFICATION_SERVICE); |
| 482 | if (notificationManager != null && mTetheredNotification != null) { |
| 483 | notificationManager.cancel(mTetheredNotification.icon); |
| 484 | mTetheredNotification = null; |
| 485 | } |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 486 | } |
| 487 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 488 | private class StateReceiver extends BroadcastReceiver { |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 489 | public void onReceive(Context content, Intent intent) { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 490 | String action = intent.getAction(); |
Mike Lockwood | 770126a | 2010-12-09 22:30:37 -0800 | [diff] [blame] | 491 | if (action.equals(UsbManager.ACTION_USB_STATE)) { |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 492 | synchronized (Tethering.this.mPublicSync) { |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 493 | boolean usbConnected = intent.getBooleanExtra(UsbManager.USB_CONNECTED, false); |
| 494 | mRndisEnabled = intent.getBooleanExtra(UsbManager.USB_FUNCTION_RNDIS, false); |
| 495 | // start tethering if we have a request pending |
| 496 | if (usbConnected && mRndisEnabled && mUsbTetherRequested) { |
| 497 | tetherUsb(true); |
| 498 | } |
| 499 | mUsbTetherRequested = false; |
| 500 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 501 | } else if (action.equals(ConnectivityManager.CONNECTIVITY_ACTION)) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 502 | if (VDBG) Log.d(TAG, "Tethering got CONNECTIVITY_ACTION"); |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 503 | mTetherMasterSM.sendMessage(TetherMasterSM.CMD_UPSTREAM_CHANGED); |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 504 | } |
| 505 | } |
| 506 | } |
| 507 | |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 508 | private void tetherUsb(boolean enable) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 509 | if (VDBG) Log.d(TAG, "tetherUsb " + enable); |
Mike Lockwood | 3c2a2f6 | 2011-06-08 15:10:26 -0700 | [diff] [blame] | 510 | |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 511 | String[] ifaces = new String[0]; |
| 512 | try { |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 513 | ifaces = mNMService.listInterfaces(); |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 514 | } catch (Exception e) { |
Mike Lockwood | 3c2a2f6 | 2011-06-08 15:10:26 -0700 | [diff] [blame] | 515 | Log.e(TAG, "Error listing Interfaces", e); |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 516 | return; |
| 517 | } |
| 518 | for (String iface : ifaces) { |
Robert Greenwalt | a599fe7c | 2010-03-08 18:30:14 -0800 | [diff] [blame] | 519 | if (isUsb(iface)) { |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 520 | int result = (enable ? tether(iface) : untether(iface)); |
| 521 | if (result == ConnectivityManager.TETHER_ERROR_NO_ERROR) { |
| 522 | return; |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 523 | } |
| 524 | } |
| 525 | } |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 526 | Log.e(TAG, "unable start or stop USB tethering"); |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 527 | } |
| 528 | |
| 529 | // configured when we start tethering and unconfig'd on error or conclusion |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 530 | private boolean configureUsbIface(boolean enabled) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 531 | if (VDBG) Log.d(TAG, "configureUsbIface(" + enabled + ")"); |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 532 | |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 533 | // toggle the USB interfaces |
| 534 | String[] ifaces = new String[0]; |
Mike Lockwood | 3c2a2f6 | 2011-06-08 15:10:26 -0700 | [diff] [blame] | 535 | try { |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 536 | ifaces = mNMService.listInterfaces(); |
| 537 | } catch (Exception e) { |
| 538 | Log.e(TAG, "Error listing Interfaces", e); |
| 539 | return false; |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 540 | } |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 541 | for (String iface : ifaces) { |
| 542 | if (isUsb(iface)) { |
| 543 | InterfaceConfiguration ifcg = null; |
| 544 | try { |
| 545 | ifcg = mNMService.getInterfaceConfig(iface); |
| 546 | if (ifcg != null) { |
| 547 | InetAddress addr = NetworkUtils.numericToInetAddress(USB_NEAR_IFACE_ADDR); |
Jeff Sharkey | ddba106 | 2011-11-29 18:37:04 -0800 | [diff] [blame] | 548 | ifcg.setLinkAddress(new LinkAddress(addr, USB_PREFIX_LENGTH)); |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 549 | if (enabled) { |
Jeff Sharkey | ddba106 | 2011-11-29 18:37:04 -0800 | [diff] [blame] | 550 | ifcg.setInterfaceUp(); |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 551 | } else { |
Jeff Sharkey | ddba106 | 2011-11-29 18:37:04 -0800 | [diff] [blame] | 552 | ifcg.setInterfaceDown(); |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 553 | } |
Jeff Sharkey | ddba106 | 2011-11-29 18:37:04 -0800 | [diff] [blame] | 554 | ifcg.clearFlag("running"); |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 555 | mNMService.setInterfaceConfig(iface, ifcg); |
| 556 | } |
| 557 | } catch (Exception e) { |
| 558 | Log.e(TAG, "Error configuring interface " + iface, e); |
| 559 | return false; |
| 560 | } |
| 561 | } |
| 562 | } |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 563 | |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 564 | return true; |
| 565 | } |
| 566 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 567 | // TODO - return copies so people can't tamper |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 568 | public String[] getTetherableUsbRegexs() { |
| 569 | return mTetherableUsbRegexs; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 570 | } |
| 571 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 572 | public String[] getTetherableWifiRegexs() { |
| 573 | return mTetherableWifiRegexs; |
| 574 | } |
| 575 | |
Danica Chang | 6fdd0c6 | 2010-08-11 14:54:43 -0700 | [diff] [blame] | 576 | public String[] getTetherableBluetoothRegexs() { |
| 577 | return mTetherableBluetoothRegexs; |
| 578 | } |
| 579 | |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 580 | public int setUsbTethering(boolean enable) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 581 | if (VDBG) Log.d(TAG, "setUsbTethering(" + enable + ")"); |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 582 | UsbManager usbManager = (UsbManager)mContext.getSystemService(Context.USB_SERVICE); |
| 583 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 584 | synchronized (mPublicSync) { |
Mike Lockwood | 6c2260b | 2011-07-19 13:04:47 -0700 | [diff] [blame] | 585 | if (enable) { |
| 586 | if (mRndisEnabled) { |
| 587 | tetherUsb(true); |
| 588 | } else { |
| 589 | mUsbTetherRequested = true; |
| 590 | usbManager.setCurrentFunction(UsbManager.USB_FUNCTION_RNDIS, false); |
| 591 | } |
| 592 | } else { |
| 593 | tetherUsb(false); |
| 594 | if (mRndisEnabled) { |
| 595 | usbManager.setCurrentFunction(null, false); |
| 596 | } |
| 597 | mUsbTetherRequested = false; |
| 598 | } |
| 599 | } |
| 600 | return ConnectivityManager.TETHER_ERROR_NO_ERROR; |
| 601 | } |
| 602 | |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 603 | public int[] getUpstreamIfaceTypes() { |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 604 | int values[]; |
| 605 | synchronized (mPublicSync) { |
| 606 | updateConfiguration(); |
| 607 | values = new int[mUpstreamIfaceTypes.size()]; |
| 608 | Iterator<Integer> iterator = mUpstreamIfaceTypes.iterator(); |
| 609 | for (int i=0; i < mUpstreamIfaceTypes.size(); i++) { |
| 610 | values[i] = iterator.next(); |
| 611 | } |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 612 | } |
| 613 | return values; |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 614 | } |
| 615 | |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 616 | public void checkDunRequired() { |
Robert Greenwalt | 49348e7 | 2011-10-21 16:54:26 -0700 | [diff] [blame] | 617 | int secureSetting = Settings.Secure.getInt(mContext.getContentResolver(), |
| 618 | Settings.Secure.TETHER_DUN_REQUIRED, 2); |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 619 | synchronized (mPublicSync) { |
| 620 | // 2 = not set, 0 = DUN not required, 1 = DUN required |
| 621 | if (secureSetting != 2) { |
| 622 | int requiredApn = (secureSetting == 1 ? |
| 623 | ConnectivityManager.TYPE_MOBILE_DUN : |
| 624 | ConnectivityManager.TYPE_MOBILE_HIPRI); |
| 625 | if (requiredApn == ConnectivityManager.TYPE_MOBILE_DUN) { |
| 626 | while (mUpstreamIfaceTypes.contains(MOBILE_TYPE)) { |
| 627 | mUpstreamIfaceTypes.remove(MOBILE_TYPE); |
| 628 | } |
| 629 | while (mUpstreamIfaceTypes.contains(HIPRI_TYPE)) { |
| 630 | mUpstreamIfaceTypes.remove(HIPRI_TYPE); |
| 631 | } |
| 632 | if (mUpstreamIfaceTypes.contains(DUN_TYPE) == false) { |
| 633 | mUpstreamIfaceTypes.add(DUN_TYPE); |
| 634 | } |
| 635 | } else { |
| 636 | while (mUpstreamIfaceTypes.contains(DUN_TYPE)) { |
| 637 | mUpstreamIfaceTypes.remove(DUN_TYPE); |
| 638 | } |
| 639 | if (mUpstreamIfaceTypes.contains(MOBILE_TYPE) == false) { |
| 640 | mUpstreamIfaceTypes.add(MOBILE_TYPE); |
| 641 | } |
| 642 | if (mUpstreamIfaceTypes.contains(HIPRI_TYPE) == false) { |
| 643 | mUpstreamIfaceTypes.add(HIPRI_TYPE); |
| 644 | } |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 645 | } |
| 646 | } |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 647 | if (mUpstreamIfaceTypes.contains(DUN_TYPE)) { |
| 648 | mPreferredUpstreamMobileApn = ConnectivityManager.TYPE_MOBILE_DUN; |
| 649 | } else { |
| 650 | mPreferredUpstreamMobileApn = ConnectivityManager.TYPE_MOBILE_HIPRI; |
| 651 | } |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 652 | } |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 653 | } |
| 654 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 655 | // TODO review API - maybe return ArrayList<String> here and below? |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 656 | public String[] getTetheredIfaces() { |
| 657 | ArrayList<String> list = new ArrayList<String>(); |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 658 | synchronized (mPublicSync) { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 659 | Set keys = mIfaces.keySet(); |
| 660 | for (Object key : keys) { |
| 661 | TetherInterfaceSM sm = mIfaces.get(key); |
| 662 | if (sm.isTethered()) { |
| 663 | list.add((String)key); |
| 664 | } |
| 665 | } |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 666 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 667 | String[] retVal = new String[list.size()]; |
| 668 | for (int i=0; i < list.size(); i++) { |
| 669 | retVal[i] = list.get(i); |
| 670 | } |
| 671 | return retVal; |
| 672 | } |
| 673 | |
Jeff Sharkey | cdd02c5d | 2011-09-16 01:52:49 -0700 | [diff] [blame] | 674 | public String[] getTetheredIfacePairs() { |
| 675 | final ArrayList<String> list = Lists.newArrayList(); |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 676 | synchronized (mPublicSync) { |
Jeff Sharkey | cdd02c5d | 2011-09-16 01:52:49 -0700 | [diff] [blame] | 677 | for (TetherInterfaceSM sm : mIfaces.values()) { |
| 678 | if (sm.isTethered()) { |
| 679 | list.add(sm.mMyUpstreamIfaceName); |
| 680 | list.add(sm.mIfaceName); |
| 681 | } |
| 682 | } |
| 683 | } |
| 684 | return list.toArray(new String[list.size()]); |
| 685 | } |
| 686 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 687 | public String[] getTetherableIfaces() { |
| 688 | ArrayList<String> list = new ArrayList<String>(); |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 689 | synchronized (mPublicSync) { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 690 | Set keys = mIfaces.keySet(); |
| 691 | for (Object key : keys) { |
| 692 | TetherInterfaceSM sm = mIfaces.get(key); |
| 693 | if (sm.isAvailable()) { |
| 694 | list.add((String)key); |
| 695 | } |
| 696 | } |
| 697 | } |
| 698 | String[] retVal = new String[list.size()]; |
| 699 | for (int i=0; i < list.size(); i++) { |
| 700 | retVal[i] = list.get(i); |
| 701 | } |
| 702 | return retVal; |
| 703 | } |
| 704 | |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 705 | public String[] getErroredIfaces() { |
| 706 | ArrayList<String> list = new ArrayList<String>(); |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 707 | synchronized (mPublicSync) { |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 708 | Set keys = mIfaces.keySet(); |
| 709 | for (Object key : keys) { |
| 710 | TetherInterfaceSM sm = mIfaces.get(key); |
| 711 | if (sm.isErrored()) { |
| 712 | list.add((String)key); |
| 713 | } |
| 714 | } |
| 715 | } |
| 716 | String[] retVal = new String[list.size()]; |
| 717 | for (int i= 0; i< list.size(); i++) { |
| 718 | retVal[i] = list.get(i); |
| 719 | } |
| 720 | return retVal; |
| 721 | } |
| 722 | |
Kazuhiro Ondo | 1ccb10e | 2011-06-22 21:10:34 -0500 | [diff] [blame] | 723 | //TODO: Temporary handling upstream change triggered without |
| 724 | // CONNECTIVITY_ACTION. Only to accomodate interface |
| 725 | // switch during HO. |
| 726 | // @see bug/4455071 |
| 727 | public void handleTetherIfaceChange() { |
| 728 | mTetherMasterSM.sendMessage(TetherMasterSM.CMD_UPSTREAM_CHANGED); |
| 729 | } |
| 730 | |
Wink Saville | 64c42ca | 2011-04-18 14:55:10 -0700 | [diff] [blame] | 731 | class TetherInterfaceSM extends StateMachine { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 732 | // notification from the master SM that it's not in tether mode |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 733 | static final int CMD_TETHER_MODE_DEAD = 1; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 734 | // request from the user that it wants to tether |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 735 | static final int CMD_TETHER_REQUESTED = 2; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 736 | // request from the user that it wants to untether |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 737 | static final int CMD_TETHER_UNREQUESTED = 3; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 738 | // notification that this interface is down |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 739 | static final int CMD_INTERFACE_DOWN = 4; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 740 | // notification that this interface is up |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 741 | static final int CMD_INTERFACE_UP = 5; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 742 | // notification from the master SM that it had an error turning on cellular dun |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 743 | static final int CMD_CELL_DUN_ERROR = 6; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 744 | // notification from the master SM that it had trouble enabling IP Forwarding |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 745 | static final int CMD_IP_FORWARDING_ENABLE_ERROR = 7; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 746 | // notification from the master SM that it had trouble disabling IP Forwarding |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 747 | static final int CMD_IP_FORWARDING_DISABLE_ERROR = 8; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 748 | // notification from the master SM that it had trouble staring tethering |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 749 | static final int CMD_START_TETHERING_ERROR = 9; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 750 | // notification from the master SM that it had trouble stopping tethering |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 751 | static final int CMD_STOP_TETHERING_ERROR = 10; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 752 | // notification from the master SM that it had trouble setting the DNS forwarders |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 753 | static final int CMD_SET_DNS_FORWARDERS_ERROR = 11; |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 754 | // the upstream connection has changed |
Wink Saville | 951749b | 2010-03-19 09:03:13 -0700 | [diff] [blame] | 755 | static final int CMD_TETHER_CONNECTION_CHANGED = 12; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 756 | |
Wink Saville | 64c42ca | 2011-04-18 14:55:10 -0700 | [diff] [blame] | 757 | private State mDefaultState; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 758 | |
Wink Saville | 64c42ca | 2011-04-18 14:55:10 -0700 | [diff] [blame] | 759 | private State mInitialState; |
| 760 | private State mStartingState; |
| 761 | private State mTetheredState; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 762 | |
Wink Saville | 64c42ca | 2011-04-18 14:55:10 -0700 | [diff] [blame] | 763 | private State mUnavailableState; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 764 | |
| 765 | private boolean mAvailable; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 766 | private boolean mTethered; |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 767 | int mLastError; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 768 | |
| 769 | String mIfaceName; |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 770 | String mMyUpstreamIfaceName; // may change over time |
| 771 | |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 772 | boolean mUsb; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 773 | |
Robert Greenwalt | dfadaea | 2010-03-11 15:03:08 -0800 | [diff] [blame] | 774 | TetherInterfaceSM(String name, Looper looper, boolean usb) { |
| 775 | super(name, looper); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 776 | mIfaceName = name; |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 777 | mUsb = usb; |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 778 | setLastError(ConnectivityManager.TETHER_ERROR_NO_ERROR); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 779 | |
| 780 | mInitialState = new InitialState(); |
| 781 | addState(mInitialState); |
| 782 | mStartingState = new StartingState(); |
| 783 | addState(mStartingState); |
| 784 | mTetheredState = new TetheredState(); |
| 785 | addState(mTetheredState); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 786 | mUnavailableState = new UnavailableState(); |
| 787 | addState(mUnavailableState); |
| 788 | |
| 789 | setInitialState(mInitialState); |
| 790 | } |
| 791 | |
| 792 | public String toString() { |
| 793 | String res = new String(); |
| 794 | res += mIfaceName + " - "; |
Wink Saville | 64c42ca | 2011-04-18 14:55:10 -0700 | [diff] [blame] | 795 | IState current = getCurrentState(); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 796 | if (current == mInitialState) res += "InitialState"; |
| 797 | if (current == mStartingState) res += "StartingState"; |
| 798 | if (current == mTetheredState) res += "TetheredState"; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 799 | if (current == mUnavailableState) res += "UnavailableState"; |
| 800 | if (mAvailable) res += " - Available"; |
| 801 | if (mTethered) res += " - Tethered"; |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 802 | res += " - lastError =" + mLastError; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 803 | return res; |
| 804 | } |
| 805 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 806 | public int getLastError() { |
| 807 | synchronized (Tethering.this.mPublicSync) { |
| 808 | return mLastError; |
| 809 | } |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 810 | } |
| 811 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 812 | private void setLastError(int error) { |
| 813 | synchronized (Tethering.this.mPublicSync) { |
| 814 | mLastError = error; |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 815 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 816 | if (isErrored()) { |
| 817 | if (mUsb) { |
| 818 | // note everything's been unwound by this point so nothing to do on |
| 819 | // further error.. |
| 820 | Tethering.this.configureUsbIface(false); |
| 821 | } |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 822 | } |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 823 | } |
| 824 | } |
| 825 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 826 | public boolean isAvailable() { |
| 827 | synchronized (Tethering.this.mPublicSync) { |
| 828 | return mAvailable; |
| 829 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 830 | } |
| 831 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 832 | private void setAvailable(boolean available) { |
| 833 | synchronized (Tethering.this.mPublicSync) { |
| 834 | mAvailable = available; |
| 835 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 836 | } |
| 837 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 838 | public boolean isTethered() { |
| 839 | synchronized (Tethering.this.mPublicSync) { |
| 840 | return mTethered; |
| 841 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 842 | } |
| 843 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 844 | private void setTethered(boolean tethered) { |
| 845 | synchronized (Tethering.this.mPublicSync) { |
| 846 | mTethered = tethered; |
| 847 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 848 | } |
| 849 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 850 | public boolean isErrored() { |
| 851 | synchronized (Tethering.this.mPublicSync) { |
| 852 | return (mLastError != ConnectivityManager.TETHER_ERROR_NO_ERROR); |
| 853 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 854 | } |
| 855 | |
Wink Saville | 64c42ca | 2011-04-18 14:55:10 -0700 | [diff] [blame] | 856 | class InitialState extends State { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 857 | @Override |
| 858 | public void enter() { |
| 859 | setAvailable(true); |
| 860 | setTethered(false); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 861 | sendTetherStateChangedBroadcast(); |
| 862 | } |
| 863 | |
| 864 | @Override |
| 865 | public boolean processMessage(Message message) { |
Robert Greenwalt | fd1be2b | 2011-11-11 12:30:19 -0800 | [diff] [blame] | 866 | if (DBG) Log.d(TAG, "InitialState.processMessage what=" + message.what); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 867 | boolean retValue = true; |
| 868 | switch (message.what) { |
| 869 | case CMD_TETHER_REQUESTED: |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 870 | setLastError(ConnectivityManager.TETHER_ERROR_NO_ERROR); |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 871 | mTetherMasterSM.sendMessage(TetherMasterSM.CMD_TETHER_MODE_REQUESTED, |
| 872 | TetherInterfaceSM.this); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 873 | transitionTo(mStartingState); |
| 874 | break; |
| 875 | case CMD_INTERFACE_DOWN: |
| 876 | transitionTo(mUnavailableState); |
| 877 | break; |
| 878 | default: |
| 879 | retValue = false; |
| 880 | break; |
| 881 | } |
| 882 | return retValue; |
| 883 | } |
| 884 | } |
| 885 | |
Wink Saville | 64c42ca | 2011-04-18 14:55:10 -0700 | [diff] [blame] | 886 | class StartingState extends State { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 887 | @Override |
| 888 | public void enter() { |
| 889 | setAvailable(false); |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 890 | if (mUsb) { |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 891 | if (!Tethering.this.configureUsbIface(true)) { |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 892 | mTetherMasterSM.sendMessage(TetherMasterSM.CMD_TETHER_MODE_UNREQUESTED, |
| 893 | TetherInterfaceSM.this); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 894 | setLastError(ConnectivityManager.TETHER_ERROR_IFACE_CFG_ERROR); |
| 895 | |
Wink Saville | 951749b | 2010-03-19 09:03:13 -0700 | [diff] [blame] | 896 | transitionTo(mInitialState); |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 897 | return; |
| 898 | } |
| 899 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 900 | sendTetherStateChangedBroadcast(); |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 901 | |
Wink Saville | 951749b | 2010-03-19 09:03:13 -0700 | [diff] [blame] | 902 | // Skipping StartingState |
| 903 | transitionTo(mTetheredState); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 904 | } |
| 905 | @Override |
| 906 | public boolean processMessage(Message message) { |
Robert Greenwalt | fd1be2b | 2011-11-11 12:30:19 -0800 | [diff] [blame] | 907 | if (DBG) Log.d(TAG, "StartingState.processMessage what=" + message.what); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 908 | boolean retValue = true; |
| 909 | switch (message.what) { |
| 910 | // maybe a parent class? |
| 911 | case CMD_TETHER_UNREQUESTED: |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 912 | mTetherMasterSM.sendMessage(TetherMasterSM.CMD_TETHER_MODE_UNREQUESTED, |
| 913 | TetherInterfaceSM.this); |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 914 | if (mUsb) { |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 915 | if (!Tethering.this.configureUsbIface(false)) { |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 916 | setLastErrorAndTransitionToInitialState( |
| 917 | ConnectivityManager.TETHER_ERROR_IFACE_CFG_ERROR); |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 918 | break; |
| 919 | } |
| 920 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 921 | transitionTo(mInitialState); |
| 922 | break; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 923 | case CMD_CELL_DUN_ERROR: |
| 924 | case CMD_IP_FORWARDING_ENABLE_ERROR: |
| 925 | case CMD_IP_FORWARDING_DISABLE_ERROR: |
| 926 | case CMD_START_TETHERING_ERROR: |
| 927 | case CMD_STOP_TETHERING_ERROR: |
| 928 | case CMD_SET_DNS_FORWARDERS_ERROR: |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 929 | setLastErrorAndTransitionToInitialState( |
| 930 | ConnectivityManager.TETHER_ERROR_MASTER_ERROR); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 931 | break; |
| 932 | case CMD_INTERFACE_DOWN: |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 933 | mTetherMasterSM.sendMessage(TetherMasterSM.CMD_TETHER_MODE_UNREQUESTED, |
| 934 | TetherInterfaceSM.this); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 935 | transitionTo(mUnavailableState); |
| 936 | break; |
| 937 | default: |
| 938 | retValue = false; |
| 939 | } |
| 940 | return retValue; |
| 941 | } |
| 942 | } |
| 943 | |
Wink Saville | 64c42ca | 2011-04-18 14:55:10 -0700 | [diff] [blame] | 944 | class TetheredState extends State { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 945 | @Override |
| 946 | public void enter() { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 947 | try { |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 948 | mNMService.tetherInterface(mIfaceName); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 949 | } catch (Exception e) { |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 950 | Log.e(TAG, "Error Tethering: " + e.toString()); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 951 | setLastError(ConnectivityManager.TETHER_ERROR_TETHER_IFACE_ERROR); |
| 952 | |
Wink Saville | 951749b | 2010-03-19 09:03:13 -0700 | [diff] [blame] | 953 | transitionTo(mInitialState); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 954 | return; |
| 955 | } |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 956 | if (DBG) Log.d(TAG, "Tethered " + mIfaceName); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 957 | setAvailable(false); |
| 958 | setTethered(true); |
| 959 | sendTetherStateChangedBroadcast(); |
| 960 | } |
Robert Greenwalt | 731026c | 2011-11-01 21:59:44 -0700 | [diff] [blame] | 961 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 962 | private void cleanupUpstream() { |
Robert Greenwalt | 731026c | 2011-11-01 21:59:44 -0700 | [diff] [blame] | 963 | if (mMyUpstreamIfaceName != null) { |
| 964 | // note that we don't care about errors here. |
| 965 | // sometimes interfaces are gone before we get |
| 966 | // to remove their rules, which generates errors. |
| 967 | // just do the best we can. |
| 968 | try { |
| 969 | // about to tear down NAT; gather remaining statistics |
| 970 | mStatsService.forceUpdate(); |
| 971 | } catch (Exception e) { |
| 972 | if (VDBG) Log.e(TAG, "Exception in forceUpdate: " + e.toString()); |
| 973 | } |
| 974 | try { |
| 975 | mNMService.disableNat(mIfaceName, mMyUpstreamIfaceName); |
| 976 | } catch (Exception e) { |
| 977 | if (VDBG) Log.e(TAG, "Exception in disableNat: " + e.toString()); |
| 978 | } |
| 979 | mMyUpstreamIfaceName = null; |
| 980 | } |
| 981 | return; |
| 982 | } |
| 983 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 984 | @Override |
| 985 | public boolean processMessage(Message message) { |
Robert Greenwalt | fd1be2b | 2011-11-11 12:30:19 -0800 | [diff] [blame] | 986 | if (DBG) Log.d(TAG, "TetheredState.processMessage what=" + message.what); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 987 | boolean retValue = true; |
| 988 | boolean error = false; |
| 989 | switch (message.what) { |
| 990 | case CMD_TETHER_UNREQUESTED: |
| 991 | case CMD_INTERFACE_DOWN: |
Robert Greenwalt | 731026c | 2011-11-01 21:59:44 -0700 | [diff] [blame] | 992 | cleanupUpstream(); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 993 | try { |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 994 | mNMService.untetherInterface(mIfaceName); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 995 | } catch (Exception e) { |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 996 | setLastErrorAndTransitionToInitialState( |
| 997 | ConnectivityManager.TETHER_ERROR_UNTETHER_IFACE_ERROR); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 998 | break; |
| 999 | } |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1000 | mTetherMasterSM.sendMessage(TetherMasterSM.CMD_TETHER_MODE_UNREQUESTED, |
| 1001 | TetherInterfaceSM.this); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1002 | if (message.what == CMD_TETHER_UNREQUESTED) { |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 1003 | if (mUsb) { |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1004 | if (!Tethering.this.configureUsbIface(false)) { |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1005 | setLastError( |
| 1006 | ConnectivityManager.TETHER_ERROR_IFACE_CFG_ERROR); |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 1007 | } |
| 1008 | } |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1009 | transitionTo(mInitialState); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1010 | } else if (message.what == CMD_INTERFACE_DOWN) { |
| 1011 | transitionTo(mUnavailableState); |
| 1012 | } |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1013 | if (DBG) Log.d(TAG, "Untethered " + mIfaceName); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1014 | break; |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1015 | case CMD_TETHER_CONNECTION_CHANGED: |
| 1016 | String newUpstreamIfaceName = (String)(message.obj); |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 1017 | if ((mMyUpstreamIfaceName == null && newUpstreamIfaceName == null) || |
| 1018 | (mMyUpstreamIfaceName != null && |
| 1019 | mMyUpstreamIfaceName.equals(newUpstreamIfaceName))) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1020 | if (VDBG) Log.d(TAG, "Connection changed noop - dropping"); |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 1021 | break; |
| 1022 | } |
Robert Greenwalt | 731026c | 2011-11-01 21:59:44 -0700 | [diff] [blame] | 1023 | cleanupUpstream(); |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1024 | if (newUpstreamIfaceName != null) { |
| 1025 | try { |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 1026 | mNMService.enableNat(mIfaceName, newUpstreamIfaceName); |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1027 | } catch (Exception e) { |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 1028 | Log.e(TAG, "Exception enabling Nat: " + e.toString()); |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1029 | try { |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 1030 | mNMService.untetherInterface(mIfaceName); |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1031 | } catch (Exception ee) {} |
| 1032 | |
| 1033 | setLastError(ConnectivityManager.TETHER_ERROR_ENABLE_NAT_ERROR); |
| 1034 | transitionTo(mInitialState); |
| 1035 | return true; |
| 1036 | } |
| 1037 | } |
| 1038 | mMyUpstreamIfaceName = newUpstreamIfaceName; |
| 1039 | break; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1040 | case CMD_CELL_DUN_ERROR: |
| 1041 | case CMD_IP_FORWARDING_ENABLE_ERROR: |
| 1042 | case CMD_IP_FORWARDING_DISABLE_ERROR: |
| 1043 | case CMD_START_TETHERING_ERROR: |
| 1044 | case CMD_STOP_TETHERING_ERROR: |
| 1045 | case CMD_SET_DNS_FORWARDERS_ERROR: |
| 1046 | error = true; |
| 1047 | // fall through |
| 1048 | case CMD_TETHER_MODE_DEAD: |
Robert Greenwalt | 731026c | 2011-11-01 21:59:44 -0700 | [diff] [blame] | 1049 | cleanupUpstream(); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1050 | try { |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 1051 | mNMService.untetherInterface(mIfaceName); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1052 | } catch (Exception e) { |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1053 | setLastErrorAndTransitionToInitialState( |
| 1054 | ConnectivityManager.TETHER_ERROR_UNTETHER_IFACE_ERROR); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1055 | break; |
| 1056 | } |
| 1057 | if (error) { |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1058 | setLastErrorAndTransitionToInitialState( |
| 1059 | ConnectivityManager.TETHER_ERROR_MASTER_ERROR); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1060 | break; |
| 1061 | } |
Robert Greenwalt | fd1be2b | 2011-11-11 12:30:19 -0800 | [diff] [blame] | 1062 | if (DBG) Log.d(TAG, "Tether lost upstream connection " + mIfaceName); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1063 | sendTetherStateChangedBroadcast(); |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 1064 | if (mUsb) { |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1065 | if (!Tethering.this.configureUsbIface(false)) { |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1066 | setLastError(ConnectivityManager.TETHER_ERROR_IFACE_CFG_ERROR); |
Robert Greenwalt | 65ae29b | 2010-02-18 11:25:54 -0800 | [diff] [blame] | 1067 | } |
| 1068 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1069 | transitionTo(mInitialState); |
| 1070 | break; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1071 | default: |
| 1072 | retValue = false; |
| 1073 | break; |
| 1074 | } |
| 1075 | return retValue; |
| 1076 | } |
| 1077 | } |
| 1078 | |
Wink Saville | 64c42ca | 2011-04-18 14:55:10 -0700 | [diff] [blame] | 1079 | class UnavailableState extends State { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1080 | @Override |
| 1081 | public void enter() { |
| 1082 | setAvailable(false); |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1083 | setLastError(ConnectivityManager.TETHER_ERROR_NO_ERROR); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1084 | setTethered(false); |
| 1085 | sendTetherStateChangedBroadcast(); |
| 1086 | } |
| 1087 | @Override |
| 1088 | public boolean processMessage(Message message) { |
| 1089 | boolean retValue = true; |
| 1090 | switch (message.what) { |
| 1091 | case CMD_INTERFACE_UP: |
| 1092 | transitionTo(mInitialState); |
| 1093 | break; |
| 1094 | default: |
| 1095 | retValue = false; |
| 1096 | break; |
| 1097 | } |
| 1098 | return retValue; |
| 1099 | } |
| 1100 | } |
| 1101 | |
Robert Greenwalt | 5a73506 | 2010-03-02 17:25:02 -0800 | [diff] [blame] | 1102 | void setLastErrorAndTransitionToInitialState(int error) { |
| 1103 | setLastError(error); |
| 1104 | transitionTo(mInitialState); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1105 | } |
| 1106 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1107 | } |
| 1108 | |
Wink Saville | 64c42ca | 2011-04-18 14:55:10 -0700 | [diff] [blame] | 1109 | class TetherMasterSM extends StateMachine { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1110 | // an interface SM has requested Tethering |
| 1111 | static final int CMD_TETHER_MODE_REQUESTED = 1; |
| 1112 | // an interface SM has unrequested Tethering |
| 1113 | static final int CMD_TETHER_MODE_UNREQUESTED = 2; |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1114 | // upstream connection change - do the right thing |
| 1115 | static final int CMD_UPSTREAM_CHANGED = 3; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1116 | // we received notice that the cellular DUN connection is up |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1117 | static final int CMD_CELL_CONNECTION_RENEW = 4; |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1118 | // we don't have a valid upstream conn, check again after a delay |
Wink Saville | 951749b | 2010-03-19 09:03:13 -0700 | [diff] [blame] | 1119 | static final int CMD_RETRY_UPSTREAM = 5; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1120 | |
| 1121 | // This indicates what a timeout event relates to. A state that |
| 1122 | // sends itself a delayed timeout event and handles incoming timeout events |
| 1123 | // should inc this when it is entered and whenever it sends a new timeout event. |
| 1124 | // We do not flush the old ones. |
| 1125 | private int mSequenceNumber; |
| 1126 | |
Wink Saville | 64c42ca | 2011-04-18 14:55:10 -0700 | [diff] [blame] | 1127 | private State mInitialState; |
| 1128 | private State mTetherModeAliveState; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1129 | |
Wink Saville | 64c42ca | 2011-04-18 14:55:10 -0700 | [diff] [blame] | 1130 | private State mSetIpForwardingEnabledErrorState; |
| 1131 | private State mSetIpForwardingDisabledErrorState; |
| 1132 | private State mStartTetheringErrorState; |
| 1133 | private State mStopTetheringErrorState; |
| 1134 | private State mSetDnsForwardersErrorState; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1135 | |
| 1136 | private ArrayList mNotifyList; |
| 1137 | |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 1138 | private int mCurrentConnectionSequence; |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1139 | private int mMobileApnReserved = ConnectivityManager.TYPE_NONE; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1140 | |
Robert Greenwalt | b37f0c6 | 2010-03-25 14:50:34 -0700 | [diff] [blame] | 1141 | private String mUpstreamIfaceName = null; |
| 1142 | |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1143 | private static final int UPSTREAM_SETTLE_TIME_MS = 10000; |
| 1144 | private static final int CELL_CONNECTION_RENEW_MS = 40000; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1145 | |
Robert Greenwalt | dfadaea | 2010-03-11 15:03:08 -0800 | [diff] [blame] | 1146 | TetherMasterSM(String name, Looper looper) { |
| 1147 | super(name, looper); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1148 | |
| 1149 | //Add states |
| 1150 | mInitialState = new InitialState(); |
| 1151 | addState(mInitialState); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1152 | mTetherModeAliveState = new TetherModeAliveState(); |
| 1153 | addState(mTetherModeAliveState); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1154 | |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1155 | mSetIpForwardingEnabledErrorState = new SetIpForwardingEnabledErrorState(); |
| 1156 | addState(mSetIpForwardingEnabledErrorState); |
| 1157 | mSetIpForwardingDisabledErrorState = new SetIpForwardingDisabledErrorState(); |
| 1158 | addState(mSetIpForwardingDisabledErrorState); |
| 1159 | mStartTetheringErrorState = new StartTetheringErrorState(); |
| 1160 | addState(mStartTetheringErrorState); |
| 1161 | mStopTetheringErrorState = new StopTetheringErrorState(); |
| 1162 | addState(mStopTetheringErrorState); |
| 1163 | mSetDnsForwardersErrorState = new SetDnsForwardersErrorState(); |
| 1164 | addState(mSetDnsForwardersErrorState); |
| 1165 | |
| 1166 | mNotifyList = new ArrayList(); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1167 | setInitialState(mInitialState); |
| 1168 | } |
| 1169 | |
Wink Saville | 64c42ca | 2011-04-18 14:55:10 -0700 | [diff] [blame] | 1170 | class TetherMasterUtilState extends State { |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1171 | protected final static boolean TRY_TO_SETUP_MOBILE_CONNECTION = true; |
| 1172 | protected final static boolean WAIT_FOR_NETWORK_TO_SETTLE = false; |
| 1173 | |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1174 | @Override |
| 1175 | public boolean processMessage(Message m) { |
| 1176 | return false; |
| 1177 | } |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1178 | protected String enableString(int apnType) { |
| 1179 | switch (apnType) { |
| 1180 | case ConnectivityManager.TYPE_MOBILE_DUN: |
| 1181 | return Phone.FEATURE_ENABLE_DUN_ALWAYS; |
| 1182 | case ConnectivityManager.TYPE_MOBILE: |
| 1183 | case ConnectivityManager.TYPE_MOBILE_HIPRI: |
| 1184 | return Phone.FEATURE_ENABLE_HIPRI; |
| 1185 | } |
| 1186 | return null; |
| 1187 | } |
| 1188 | protected boolean turnOnUpstreamMobileConnection(int apnType) { |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 1189 | boolean retValue = true; |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1190 | if (apnType == ConnectivityManager.TYPE_NONE) return false; |
| 1191 | if (apnType != mMobileApnReserved) turnOffUpstreamMobileConnection(); |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 1192 | int result = Phone.APN_REQUEST_FAILED; |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1193 | String enableString = enableString(apnType); |
| 1194 | if (enableString == null) return false; |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1195 | try { |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 1196 | result = mConnService.startUsingNetworkFeature(ConnectivityManager.TYPE_MOBILE, |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1197 | enableString, new Binder()); |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1198 | } catch (Exception e) { |
| 1199 | } |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 1200 | switch (result) { |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1201 | case Phone.APN_ALREADY_ACTIVE: |
| 1202 | case Phone.APN_REQUEST_STARTED: |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1203 | mMobileApnReserved = apnType; |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 1204 | Message m = obtainMessage(CMD_CELL_CONNECTION_RENEW); |
| 1205 | m.arg1 = ++mCurrentConnectionSequence; |
| 1206 | sendMessageDelayed(m, CELL_CONNECTION_RENEW_MS); |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1207 | break; |
| 1208 | case Phone.APN_REQUEST_FAILED: |
| 1209 | default: |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 1210 | retValue = false; |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1211 | break; |
| 1212 | } |
| 1213 | |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1214 | return retValue; |
| 1215 | } |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1216 | protected boolean turnOffUpstreamMobileConnection() { |
| 1217 | if (mMobileApnReserved != ConnectivityManager.TYPE_NONE) { |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1218 | try { |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 1219 | mConnService.stopUsingNetworkFeature(ConnectivityManager.TYPE_MOBILE, |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1220 | enableString(mMobileApnReserved)); |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1221 | } catch (Exception e) { |
| 1222 | return false; |
| 1223 | } |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1224 | mMobileApnReserved = ConnectivityManager.TYPE_NONE; |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1225 | } |
| 1226 | return true; |
| 1227 | } |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1228 | protected boolean turnOnMasterTetherSettings() { |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1229 | try { |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 1230 | mNMService.setIpForwardingEnabled(true); |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1231 | } catch (Exception e) { |
Wink Saville | 951749b | 2010-03-19 09:03:13 -0700 | [diff] [blame] | 1232 | transitionTo(mSetIpForwardingEnabledErrorState); |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1233 | return false; |
| 1234 | } |
| 1235 | try { |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 1236 | mNMService.startTethering(mDhcpRange); |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1237 | } catch (Exception e) { |
Robert Greenwalt | 547e4e7 | 2011-01-14 17:24:03 -0800 | [diff] [blame] | 1238 | try { |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 1239 | mNMService.stopTethering(); |
| 1240 | mNMService.startTethering(mDhcpRange); |
Robert Greenwalt | 547e4e7 | 2011-01-14 17:24:03 -0800 | [diff] [blame] | 1241 | } catch (Exception ee) { |
| 1242 | transitionTo(mStartTetheringErrorState); |
| 1243 | return false; |
| 1244 | } |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1245 | } |
| 1246 | try { |
Robert Greenwalt | bb4fd0b | 2011-12-09 15:36:50 -0800 | [diff] [blame] | 1247 | mNMService.setDnsForwarders(mDefaultDnsServers); |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1248 | } catch (Exception e) { |
Wink Saville | 951749b | 2010-03-19 09:03:13 -0700 | [diff] [blame] | 1249 | transitionTo(mSetDnsForwardersErrorState); |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1250 | return false; |
| 1251 | } |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1252 | return true; |
| 1253 | } |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1254 | protected boolean turnOffMasterTetherSettings() { |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1255 | try { |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 1256 | mNMService.stopTethering(); |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1257 | } catch (Exception e) { |
| 1258 | transitionTo(mStopTetheringErrorState); |
| 1259 | return false; |
| 1260 | } |
| 1261 | try { |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 1262 | mNMService.setIpForwardingEnabled(false); |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1263 | } catch (Exception e) { |
| 1264 | transitionTo(mSetIpForwardingDisabledErrorState); |
| 1265 | return false; |
| 1266 | } |
| 1267 | transitionTo(mInitialState); |
| 1268 | return true; |
| 1269 | } |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 1270 | |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1271 | protected void chooseUpstreamType(boolean tryCell) { |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1272 | int upType = ConnectivityManager.TYPE_NONE; |
| 1273 | String iface = null; |
| 1274 | |
Robert Greenwalt | 49348e7 | 2011-10-21 16:54:26 -0700 | [diff] [blame] | 1275 | updateConfiguration(); |
| 1276 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 1277 | synchronized (mPublicSync) { |
| 1278 | if (VDBG) { |
| 1279 | Log.d(TAG, "chooseUpstreamType has upstream iface types:"); |
| 1280 | for (Integer netType : mUpstreamIfaceTypes) { |
| 1281 | Log.d(TAG, " " + netType); |
| 1282 | } |
Robert Greenwalt | 49348e7 | 2011-10-21 16:54:26 -0700 | [diff] [blame] | 1283 | } |
Robert Greenwalt | 49348e7 | 2011-10-21 16:54:26 -0700 | [diff] [blame] | 1284 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 1285 | for (Integer netType : mUpstreamIfaceTypes) { |
| 1286 | NetworkInfo info = null; |
| 1287 | try { |
| 1288 | info = mConnService.getNetworkInfo(netType.intValue()); |
| 1289 | } catch (RemoteException e) { } |
| 1290 | if ((info != null) && info.isConnected()) { |
| 1291 | upType = netType.intValue(); |
| 1292 | break; |
| 1293 | } |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1294 | } |
| 1295 | } |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1296 | |
Robert Greenwalt | fd1be2b | 2011-11-11 12:30:19 -0800 | [diff] [blame] | 1297 | if (DBG) { |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1298 | Log.d(TAG, "chooseUpstreamType(" + tryCell + "), preferredApn =" |
| 1299 | + mPreferredUpstreamMobileApn + ", got type=" + upType); |
| 1300 | } |
| 1301 | |
| 1302 | // if we're on DUN, put our own grab on it |
| 1303 | if (upType == ConnectivityManager.TYPE_MOBILE_DUN || |
| 1304 | upType == ConnectivityManager.TYPE_MOBILE_HIPRI) { |
| 1305 | turnOnUpstreamMobileConnection(upType); |
| 1306 | } |
| 1307 | |
| 1308 | if (upType == ConnectivityManager.TYPE_NONE) { |
| 1309 | boolean tryAgainLater = true; |
| 1310 | if ((tryCell == TRY_TO_SETUP_MOBILE_CONNECTION) && |
| 1311 | (turnOnUpstreamMobileConnection(mPreferredUpstreamMobileApn) == true)) { |
| 1312 | // we think mobile should be coming up - don't set a retry |
| 1313 | tryAgainLater = false; |
Robert Greenwalt | 77e638d | 2010-03-22 10:35:53 -0700 | [diff] [blame] | 1314 | } |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1315 | if (tryAgainLater) { |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 1316 | sendMessageDelayed(CMD_RETRY_UPSTREAM, UPSTREAM_SETTLE_TIME_MS); |
| 1317 | } |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1318 | } else { |
| 1319 | LinkProperties linkProperties = null; |
| 1320 | try { |
Robert Greenwalt | 3b28e9a | 2011-11-02 14:37:19 -0700 | [diff] [blame] | 1321 | linkProperties = mConnService.getLinkProperties(upType); |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1322 | } catch (RemoteException e) { } |
Robert Greenwalt | bb4fd0b | 2011-12-09 15:36:50 -0800 | [diff] [blame] | 1323 | if (linkProperties != null) { |
| 1324 | iface = linkProperties.getInterfaceName(); |
| 1325 | String[] dnsServers = mDefaultDnsServers; |
| 1326 | Collection<InetAddress> dnses = linkProperties.getDnses(); |
| 1327 | if (dnses != null) { |
| 1328 | dnsServers = NetworkUtils.makeStrings(dnses); |
| 1329 | } |
| 1330 | try { |
| 1331 | mNMService.setDnsForwarders(dnsServers); |
| 1332 | } catch (Exception e) { |
| 1333 | transitionTo(mSetDnsForwardersErrorState); |
| 1334 | } |
| 1335 | } |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1336 | } |
Robert Greenwalt | b37f0c6 | 2010-03-25 14:50:34 -0700 | [diff] [blame] | 1337 | notifyTetheredOfNewUpstreamIface(iface); |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1338 | } |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1339 | |
Robert Greenwalt | b37f0c6 | 2010-03-25 14:50:34 -0700 | [diff] [blame] | 1340 | protected void notifyTetheredOfNewUpstreamIface(String ifaceName) { |
Robert Greenwalt | fd1be2b | 2011-11-11 12:30:19 -0800 | [diff] [blame] | 1341 | if (DBG) Log.d(TAG, "notifying tethered with iface =" + ifaceName); |
Robert Greenwalt | b37f0c6 | 2010-03-25 14:50:34 -0700 | [diff] [blame] | 1342 | mUpstreamIfaceName = ifaceName; |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1343 | for (Object o : mNotifyList) { |
| 1344 | TetherInterfaceSM sm = (TetherInterfaceSM)o; |
| 1345 | sm.sendMessage(TetherInterfaceSM.CMD_TETHER_CONNECTION_CHANGED, |
| 1346 | ifaceName); |
| 1347 | } |
| 1348 | } |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1349 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1350 | |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1351 | class InitialState extends TetherMasterUtilState { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1352 | @Override |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 1353 | public void enter() { |
Robert Greenwalt | c9d5fb7 | 2010-02-25 12:29:30 -0800 | [diff] [blame] | 1354 | } |
| 1355 | @Override |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1356 | public boolean processMessage(Message message) { |
Robert Greenwalt | fd1be2b | 2011-11-11 12:30:19 -0800 | [diff] [blame] | 1357 | if (DBG) Log.d(TAG, "MasterInitialState.processMessage what=" + message.what); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1358 | boolean retValue = true; |
| 1359 | switch (message.what) { |
| 1360 | case CMD_TETHER_MODE_REQUESTED: |
| 1361 | TetherInterfaceSM who = (TetherInterfaceSM)message.obj; |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1362 | if (VDBG) Log.d(TAG, "Tether Mode requested by " + who.toString()); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1363 | mNotifyList.add(who); |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1364 | transitionTo(mTetherModeAliveState); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1365 | break; |
| 1366 | case CMD_TETHER_MODE_UNREQUESTED: |
| 1367 | who = (TetherInterfaceSM)message.obj; |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1368 | if (VDBG) Log.d(TAG, "Tether Mode unrequested by " + who.toString()); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1369 | int index = mNotifyList.indexOf(who); |
| 1370 | if (index != -1) { |
| 1371 | mNotifyList.remove(who); |
| 1372 | } |
| 1373 | break; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1374 | default: |
| 1375 | retValue = false; |
| 1376 | break; |
| 1377 | } |
| 1378 | return retValue; |
| 1379 | } |
| 1380 | } |
| 1381 | |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1382 | class TetherModeAliveState extends TetherMasterUtilState { |
Robert Greenwalt | 19b9ab4 | 2011-01-10 11:58:31 -0800 | [diff] [blame] | 1383 | boolean mTryCell = !WAIT_FOR_NETWORK_TO_SETTLE; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1384 | @Override |
| 1385 | public void enter() { |
Robert Greenwalt | 19b9ab4 | 2011-01-10 11:58:31 -0800 | [diff] [blame] | 1386 | mTryCell = !WAIT_FOR_NETWORK_TO_SETTLE; // better try something first pass |
| 1387 | // or crazy tests cases will fail |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1388 | chooseUpstreamType(mTryCell); |
| 1389 | mTryCell = !mTryCell; |
| 1390 | turnOnMasterTetherSettings(); // may transition us out |
| 1391 | } |
| 1392 | @Override |
| 1393 | public void exit() { |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1394 | turnOffUpstreamMobileConnection(); |
Robert Greenwalt | b37f0c6 | 2010-03-25 14:50:34 -0700 | [diff] [blame] | 1395 | notifyTetheredOfNewUpstreamIface(null); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1396 | } |
| 1397 | @Override |
| 1398 | public boolean processMessage(Message message) { |
Robert Greenwalt | fd1be2b | 2011-11-11 12:30:19 -0800 | [diff] [blame] | 1399 | if (DBG) Log.d(TAG, "TetherModeAliveState.processMessage what=" + message.what); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1400 | boolean retValue = true; |
| 1401 | switch (message.what) { |
| 1402 | case CMD_TETHER_MODE_REQUESTED: |
| 1403 | TetherInterfaceSM who = (TetherInterfaceSM)message.obj; |
| 1404 | mNotifyList.add(who); |
Robert Greenwalt | b37f0c6 | 2010-03-25 14:50:34 -0700 | [diff] [blame] | 1405 | who.sendMessage(TetherInterfaceSM.CMD_TETHER_CONNECTION_CHANGED, |
| 1406 | mUpstreamIfaceName); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1407 | break; |
| 1408 | case CMD_TETHER_MODE_UNREQUESTED: |
| 1409 | who = (TetherInterfaceSM)message.obj; |
| 1410 | int index = mNotifyList.indexOf(who); |
| 1411 | if (index != -1) { |
| 1412 | mNotifyList.remove(index); |
| 1413 | if (mNotifyList.isEmpty()) { |
Robert Greenwalt | d70a3d4 | 2010-02-23 18:15:29 -0800 | [diff] [blame] | 1414 | turnOffMasterTetherSettings(); // transitions appropriately |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1415 | } |
| 1416 | } |
| 1417 | break; |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1418 | case CMD_UPSTREAM_CHANGED: |
Robert Greenwalt | 05d8936 | 2011-01-23 16:04:05 -0800 | [diff] [blame] | 1419 | // need to try DUN immediately if Wifi goes down |
| 1420 | mTryCell = !WAIT_FOR_NETWORK_TO_SETTLE; |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1421 | chooseUpstreamType(mTryCell); |
| 1422 | mTryCell = !mTryCell; |
| 1423 | break; |
| 1424 | case CMD_CELL_CONNECTION_RENEW: |
| 1425 | // make sure we're still using a requested connection - may have found |
| 1426 | // wifi or something since then. |
Robert Greenwalt | 1039872 | 2010-12-17 15:20:36 -0800 | [diff] [blame] | 1427 | if (mCurrentConnectionSequence == message.arg1) { |
Wink Saville | c9acde9 | 2011-09-21 11:05:43 -0700 | [diff] [blame] | 1428 | if (VDBG) { |
Robert Greenwalt | 924cc94 | 2010-06-28 10:26:19 -0700 | [diff] [blame] | 1429 | Log.d(TAG, "renewing mobile connection - requeuing for another " + |
| 1430 | CELL_CONNECTION_RENEW_MS + "ms"); |
| 1431 | } |
Robert Greenwalt | ccf83af1 | 2011-06-02 17:30:47 -0700 | [diff] [blame] | 1432 | turnOnUpstreamMobileConnection(mMobileApnReserved); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1433 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1434 | break; |
Kazuhiro Ondo | 01758e8 | 2011-04-30 20:10:57 -0500 | [diff] [blame] | 1435 | case CMD_RETRY_UPSTREAM: |
| 1436 | chooseUpstreamType(mTryCell); |
| 1437 | mTryCell = !mTryCell; |
| 1438 | break; |
Kazuhiro Ondo | 01758e8 | 2011-04-30 20:10:57 -0500 | [diff] [blame] | 1439 | default: |
| 1440 | retValue = false; |
| 1441 | break; |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1442 | } |
| 1443 | return retValue; |
| 1444 | } |
| 1445 | } |
| 1446 | |
Wink Saville | 64c42ca | 2011-04-18 14:55:10 -0700 | [diff] [blame] | 1447 | class ErrorState extends State { |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1448 | int mErrorNotification; |
| 1449 | @Override |
| 1450 | public boolean processMessage(Message message) { |
| 1451 | boolean retValue = true; |
| 1452 | switch (message.what) { |
| 1453 | case CMD_TETHER_MODE_REQUESTED: |
| 1454 | TetherInterfaceSM who = (TetherInterfaceSM)message.obj; |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1455 | who.sendMessage(mErrorNotification); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1456 | break; |
| 1457 | default: |
| 1458 | retValue = false; |
| 1459 | } |
| 1460 | return retValue; |
| 1461 | } |
| 1462 | void notify(int msgType) { |
| 1463 | mErrorNotification = msgType; |
| 1464 | for (Object o : mNotifyList) { |
| 1465 | TetherInterfaceSM sm = (TetherInterfaceSM)o; |
Robert Greenwalt | 6a1967c | 2010-03-17 11:19:57 -0700 | [diff] [blame] | 1466 | sm.sendMessage(msgType); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1467 | } |
| 1468 | } |
| 1469 | |
| 1470 | } |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1471 | class SetIpForwardingEnabledErrorState extends ErrorState { |
| 1472 | @Override |
| 1473 | public void enter() { |
| 1474 | Log.e(TAG, "Error in setIpForwardingEnabled"); |
| 1475 | notify(TetherInterfaceSM.CMD_IP_FORWARDING_ENABLE_ERROR); |
| 1476 | } |
| 1477 | } |
| 1478 | |
| 1479 | class SetIpForwardingDisabledErrorState extends ErrorState { |
| 1480 | @Override |
| 1481 | public void enter() { |
| 1482 | Log.e(TAG, "Error in setIpForwardingDisabled"); |
| 1483 | notify(TetherInterfaceSM.CMD_IP_FORWARDING_DISABLE_ERROR); |
| 1484 | } |
| 1485 | } |
| 1486 | |
| 1487 | class StartTetheringErrorState extends ErrorState { |
| 1488 | @Override |
| 1489 | public void enter() { |
| 1490 | Log.e(TAG, "Error in startTethering"); |
| 1491 | notify(TetherInterfaceSM.CMD_START_TETHERING_ERROR); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1492 | try { |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 1493 | mNMService.setIpForwardingEnabled(false); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1494 | } catch (Exception e) {} |
| 1495 | } |
| 1496 | } |
| 1497 | |
| 1498 | class StopTetheringErrorState extends ErrorState { |
| 1499 | @Override |
| 1500 | public void enter() { |
| 1501 | Log.e(TAG, "Error in stopTethering"); |
| 1502 | notify(TetherInterfaceSM.CMD_STOP_TETHERING_ERROR); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1503 | try { |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 1504 | mNMService.setIpForwardingEnabled(false); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1505 | } catch (Exception e) {} |
| 1506 | } |
| 1507 | } |
| 1508 | |
| 1509 | class SetDnsForwardersErrorState extends ErrorState { |
| 1510 | @Override |
| 1511 | public void enter() { |
| 1512 | Log.e(TAG, "Error in setDnsForwarders"); |
| 1513 | notify(TetherInterfaceSM.CMD_SET_DNS_FORWARDERS_ERROR); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1514 | try { |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 1515 | mNMService.stopTethering(); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1516 | } catch (Exception e) {} |
| 1517 | try { |
Chia-chi Yeh | c933830 | 2011-05-11 16:35:13 -0700 | [diff] [blame] | 1518 | mNMService.setIpForwardingEnabled(false); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1519 | } catch (Exception e) {} |
| 1520 | } |
| 1521 | } |
| 1522 | } |
| 1523 | |
| 1524 | public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 1525 | if (mContext.checkCallingOrSelfPermission( |
| 1526 | android.Manifest.permission.DUMP) != PackageManager.PERMISSION_GRANTED) { |
| 1527 | pw.println("Permission Denial: can't dump ConnectivityService.Tether " + |
| 1528 | "from from pid=" + Binder.getCallingPid() + ", uid=" + |
| 1529 | Binder.getCallingUid()); |
| 1530 | return; |
| 1531 | } |
| 1532 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 1533 | synchronized (mPublicSync) { |
| 1534 | pw.println("mUpstreamIfaceTypes: "); |
| 1535 | for (Integer netType : mUpstreamIfaceTypes) { |
| 1536 | pw.println(" " + netType); |
| 1537 | } |
Robert Greenwalt | 49348e7 | 2011-10-21 16:54:26 -0700 | [diff] [blame] | 1538 | |
Robert Greenwalt | b445362 | 2011-11-03 16:01:40 -0700 | [diff] [blame] | 1539 | pw.println(); |
| 1540 | pw.println("Tether state:"); |
Robert Greenwalt | 2a091d7 | 2010-02-11 18:18:40 -0800 | [diff] [blame] | 1541 | for (Object o : mIfaces.values()) { |
| 1542 | pw.println(" "+o.toString()); |
| 1543 | } |
| 1544 | } |
| 1545 | pw.println(); |
| 1546 | return; |
Robert Greenwalt | d0e18ff | 2010-01-26 11:40:34 -0800 | [diff] [blame] | 1547 | } |
| 1548 | } |